Xtramus APMPT-4 V2.4 - Manual (Page 134)

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 Disable Check Result: When this mode is enabled, all test procedures will be carried out no
matter the result is Pass or Fail.
 Enable S/N Error Check: Selecting this option will enable the capturing of S/N Error.
 Enable DI Checksum: Enable this function to add a tag to the frame for tracking frame integrity.
 Weak Back-off Mechanism: When packet collision occurs, the system will wait for at least 1
slot-time before starting to transmit packets again if this function is enabled.
Learning
 Ports A/B:
 Enable Learning: Enabling this function allows learning packets transmitted to the DUT before
test packets are transmitted. If you disable this function, no learning packets will be transmitted.
 Broadcast: Select the learning packet mode for Broadcast.
 Unicast: Select the learning packet mode for Unicast.
 Frame Count: Repeat frame count per learning packets burst.
 Frame Gap: Duration time between learning frames.

Global:
 Tx Pkt Timeout: If the Tx packets spent for auto-negotiation exceeds the Tx Pkt Timeout you set
here, the test will stop and the result will be fail.
 Delay Time After Learning: The time gap between after learning and the next process.
 Tx Mode: You can change how packet streams will be transmitted. By clicking the Tx scroll-down
menu, you can choose Sync Mode, Group Mode (transmitting gap can be set in the Gap field
located in the right side), and Sequence Mode.
 Gap: Set the transmitting gap for Group mode.
 Learning by Sequence: Learning by port sequence.